Indoor antenna



FIG. 1 is a front perspective view of an indoor antenna showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view of the indoor antenna in an alternate position of use; and,

FIG. 9 is a front perspective view of the indoor antenna in a further alternate position of use with one leg detached, wherein the broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an indoor antenna, as shown and described. 